What is trail?
trail is a Claude Code mod by thnk2wn that session sidebar of the Jira tickets, PRs, GitHub Actions runs, incidents and docs a session created, changed or mentioned (plus TeamCity builds if you use it), as clickable links, and a. It is listed under Cost & usage and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | thnk2wn |
| Repository | thnk2wn/trail |
| Popularity | no public popularity data yet |
| Category | Cost & usage |
| Security | High risk (52/100) |
| Rank | #4,827 of 5,272 Claude Code mods; #957 in Cost & usage |
| License | MIT |
| Last commit | 2026-10-08 |
| Hooks | 9 events |
| Sees | every prompt, every tool call |
| Draws on | Pane, AbovePrompt |
Is trail safe to install?
trail scores 52/100 on the MCPMods security check: High risk. Things to review: sends data over the network; starts processes outside the sandbox; reads environment variables; watches every prompt or event. It passed 4 of 8 checks.
Mod footprints come from claude plugin validate, which lists every event a mod hooks and every API call it makes without running it.
| Check | Result |
|---|---|
| Sends data over the network | Review |
| Starts processes outside the sandbox | Review |
| Writes no files or config | Pass |
| Reads environment variables | Review |
| Watches every prompt or event | Review |
| Doesn't drive Claude | Pass |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.audio.play | plays audio |
$.clock.after | |
$.clock.every | |
$.clock.now | |
$.clock.sleep | |
$.command.register | |
$.env.get | reads env vars |
$.fs.exists | reads files |
$.fs.list | reads files |
$.fs.read | reads files |
$.mcp.call | calls MCP servers |
$.process.run | runs processes |
$.process.spawn | |
$.session.cwd | |
$.session.id | |
$.session.messages | reads the transcript |
$.session.model | |
$.session.repo | |
$.session.usage | |
$.state.get | |
$.state.set | |
$.store.delete | keeps its own state |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.tool.check |
How do I install trail?
- Check your Claude Code version. Mods need Claude Code 2.1.287 or later and are on by default.
claude --version
- Read its footprint. This lists every event it hooks and every API call it makes, without running it.
git clone https://github.com/thnk2wn/trail claude plugin validate ./trail/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add thnk2wn/trail && claude plugin install trail@thnk2wn
Or ask Claude to set it up
Paste this into Claude Code and it installs trail for you:
Install the "trail" Claude Code mod from https://github.com/thnk2wn/trail. Run claude plugin validate on it first and show me what it can access before you enable it.